HAM-LETStainless Steel Angle-Body Needle Valves

HAM-LET Plumbing Needle Valves: Angle Valve Body, 316 Stainless Steel, Integral Bonnet

SKU 3G-OTH-450380

Also listed as: H300USSLR14RSA · H 300U SS L R 1 4 RS A · H-300U-SS-L-R-1-4-RS-A

Brand

HAM-LET

Item

Plumbing Needle Valves: Angle Valve Body, 316 Stainless Steel, Integral Bonnet

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HAM-LET

Manufacturer Part Number

H-300U-SS-L-R-1/4-RS-A 

Type

Integral Bonnet, Let-Lok 

Handle

Plastic Knob 

For Media

Liquid 

Standards

ISO 2006(E) 

Stem Type

Regulating 

Valve Series

H300U 

Connection Type

Let-Lok x Let-Lok 

Stainless Steel

316

Connection Type - Side 1

Let-Lok 

Connection Type - Side 2

Let-Lok 

Technical Documents

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HAM-LET Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET H300U Series Stainless Steel Angle-Body Needle Valve (SKU H-300U-SS-L-R-1/4-RS-A, MPN H-300U-SS-L-R-1/4-RS-A) is a plumbing needle valve with a regulating stem and an integral bonnet. It features a plastic knob handle, Let-Lok x Let-Lok connections, and is designed for liquid media in compliance with ISO 2006(E).

Frequently Asked Questions

What is the HAM-LET H300U needle valve used for?

The HAM-LET H300U Series angle-body needle valve is designed for precise flow regulation of liquid media in industrial plumbing systems. Its regulating stem and integral bonnet provide reliable shut-off and throttling control, commonly applied in instrumentation, sampling, and process lines.

What are the specifications of the HAM-LET H300U needle valve?

The HAM-LET H300U needle valve (MPN H-300U-SS-L-R-1/4-RS-A) features a 316 stainless steel angle body, integral bonnet, regulating stem, and plastic knob handle. It has Let-Lok x Let-Lok connections, complies with ISO 2006(E), and is rated for liquid media.

Where to buy HAM-LET H300U needle valves worldwide?

3G Electric supplies the HAM-LET H300U needle valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a HAM-LET Let-Lok needle valve?

Install the HAM-LET H300U needle valve by ensuring Let-Lok connections are clean and properly aligned. Tighten the nut to the manufacturer's recommended torque—do not overtighten. Always verify system pressure is within valve rating before operation. Consult HAM-LET's installation guide for exact procedures.

Used in

Common applications for HAM-LET

Oil and gas — HAM-LET H99 Series needle valves for instrument isolation in high-pressure lines

Chemical processing — HAM-LET H-400 Series check valves for backflow prevention in corrosive fluid systems

Semiconductor manufacturing — HAM-LET EVZS4R-BV diaphragm valves for ultra-high-purity gas distribution

Power generation — HAM-LET H-6800 Series three-way ball valves for cooling water flow switching

Analytical instrumentation — HAM-LET H300U Series metering valves for precise flow regulation in lab gas systems

Hydraulic systems — HAM-LET H-410 Series poppet check valves for load-holding in hydraulic circuits

HAM-LET Products

3G Electric supplies HAM-LET stainless steel angle-body needle valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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